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Fresh leak delays space shuttle Fresh leak disrupts space shuttle
(21 minutes later)
A fresh fuel leak has disrupted the launch of the space shuttle Endeavour, Nasa officials say. A fresh fuel leak has disrupted the launch from Cape Canaveral of the space shuttle Endeavour, Nasa officials say.
The shuttle is due to launch on Wednesday morning, but hydrogen gas has leaked from a vent line on the space shuttle's external fuel tank. The shuttle is due to launch on Wednesday morning, but hydrogen gas has leaked from a vent line on its external fuel tank.
A previous fuel leak postponed the shuttle's launch on Saturday.A previous fuel leak postponed the shuttle's launch on Saturday.
The shuttle's seven crew is to fly to the International Space Station (ISS) to deliver the last element of a Japanese laboratory aboard the station. The shuttle's seven crew are to fly to the International Space Station (ISS) to deliver the last element of a Japanese laboratory aboard the station.
If the launch is again postponed, the next international space station construction mission will not take place until next month. Spacewalks
If the launch is again postponed, the next ISS construction mission will not take place until next month.
Once it goes ahead, the astronauts will carry out five spacewalks to attach a permanent platform weighing 1.9 tonnes to the Japanese laboratory.
During the mission, the ISS will be a temporary home to 13 astronauts - the first time so many have stayed on the station at once.